From: "M. Edward (Ed) Borasky" <znmeb@...>
Date: 2006-07-30T16:05:52+09:00
Subject: Re: build error on cygwin

Hal Fulton wrote:
> M. Edward (Ed) Borasky wrote:
>> I just tried "irb" on CygWin and it spake thusly:
>>
>> $ irb
>> /usr/bin/ruby: no such file to load -- ubygems (LoadError)
>>
>> I think CygWin is broken! Is this what it's doing on your system??
>
> Try unsetting your RUBYOPT or installing rubygems (which has
> an actual lib called "ubygems").
>
>
> Hal
>
>
Yep ... first undefine RUBYOPT, then re-install rubygems, then re-set 
RUBYOPT and irb still works. I do have the one-click installer loaded, 
and CygWin inherited the RUBYOPT definition from Windows. This is 
apparently an FAQ. :)